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After some debugging, it was realized that we really do still need the
old inflight tracking for any file type that has io_uring_fops assigned.
If we don't, then trivial circular references will mean that we never get
the ctx cleaned up and hence it'll leak.
Just bring back the inflight tracking, which then also means we can
eliminate the conditional dropping of the file when task_work is queued.
Fixes: d5361233e9ab ("io_uring: drop the old style inflight file tracking")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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io_fixed_fd_install() can grab uring_lock in the slot allocation path
when called from io-wq, and then call into io_install_fixed_file(),
which will lock it again. Pull all locking out of
io_install_fixed_file() into io_fixed_fd_install().
Fixes: 1339f24b336db ("io_uring: allow allocated fixed files for openat/openat2")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/64116172a9d0b85b85300346bb280f3657aafc26.1654087283.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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One big issue with the file registration feature is that it needs user
space apps to maintain free slot info about io_uring's fixed file table,
which really is a burden for development. io_uring now supports choosing
free file slot for user space apps by using IORING_FILE_INDEX_ALLOC flag
in accept, open, and socket operations, but they need the app to use
direct accept or direct open, which not all apps are prepared to use yet.
To support apps that still need real fds, make use of the registration
feature easier. Let IORING_OP_FILES_UPDATE support choosing fixed file
slots, which will store picked fixed files slots in fd array and let cqe
return the number of slots allocated.
Suggested-by: Hao Xu <howeyxu@tencent.com>
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
[axboe: move flag to uapi io_uring header, change goto to break, init]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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io_file_bitmap_get() returns a free bitmap slot, but if it isn't
used later, such as io_queue_rsrc_removal() returns error, in this
case, we should not update alloc_hint at all, which still should
be considered as a valid candidate for next io_file_bitmap_get()
calls.
To fix this issue, only update alloc_hint in io_file_bitmap_set().
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220528015109.48039-1-xiaoguang.wang@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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io_fixed_fd_install() may fail for short of free fixed file bitmap,
in this case, need to call fput() correspondingly.
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220527025400.51048-1-xiaoguang.wang@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The socket support was merged in an earlier branch that didn't yet
have support for allocating direct descriptors, hence only open
and accept got support for that.
Do the one-liner to enable it now, so we have consistent support for
any request that can instantiate a file/direct descriptor.
Reviewed-by: Hao Xu <howeyxu@tencent.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If we use a buffer group ID that is large enough to require io_uring
to allocate it, then we don't correctly free it if the cleanup is
deferred to the ring exit. The explicit removal paths are fine.
Fixes: 9cfc7e94e42b ("io_uring: get rid of hashed provided buffer groups")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Gets rid of some ifdefs and enables use of the net defines for when
CONFIG_NET isn't set.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Make them consistent in preparation for defining a req async prep
handler. The readv/writev requests share a prep handler, move it one
level down so the initial one is consistent with the others.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Define and set it when appropriate, and use it consistently in the
function rather than using io_op_defs[opcode].
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Almost all of them are, the odd ones out are the poll remove and the
files update request. Name them like the others, which is:
io_#cmdname_prep for request preparation
io_#cmdname for request issue
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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All other opcodes take a {req, sqe} set for prep handling, split out
a timeout prep handler so that timeout and linked timeouts can use
the same one.
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs updates from Damien Le Moal:
"This improves zonefs open sequential file accounting and adds
accounting for active sequential files to allow the user to handle the
maximum number of active zones of an NVMe ZNS drive.
sysfs attributes for both open and active sequential files are also
added to facilitate access to this information from applications
without resorting to inspecting the block device limits"
* tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
documentation: zonefs: Document sysfs attributes
documentation: zonefs: Cleanup the mount options section
zonefs: Add active seq file accounting
zonefs: Export open zone resource information through sysfs
zonefs: Always do seq file write open accounting
zonefs: Rename super block information fields
zonefs: Fix management of open zones
zonefs: Clear inode information flags on inode creation
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
"For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more detail:
- Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
- Improved ATA command allocation, from John.
- Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey,
Diego, Ruyi, Mighao and Jiabing.
- Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
- AHCI RAID ID cleanup, from Dan.
- Improvement to the libata.force kernel parameter to allow most
horkage flags to be manually forced for debugging drive issues in
the field without needing recompiling a kernel, from me"
* tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_ftide010: Remove unneeded ERROR check before clk_disable_unprepare
doc: admin-guide: Update libata kernel parameters
ata: libata-core: Allow forcing most horkage flags
ata: libata-core: Improve link flags forced settings
ata: libata-core: Refactor force_tbl definition
ata: libata-core: cleanup ata_device_blacklist
ata: simplify the return expression of brcm_ahci_remove
ata: Make use of the helper function devm_platform_ioremap_resource()
ata: libata-core: replace "its" with "it is"
ahci: Add a generic 'controller2' RAID id
dt-bindings: ata: renesas,rcar-sata: Add r8a774e1 support
ata: pata_via: fix sloppy typing in via_do_set_mode()
ata: pata_sil680: fix result type of sil680_sel{dev|reg}()
ata: libata-core: fix parameter type in ata_xfer_mode2shift()
libata: Improve ATA queued command allocation
ata: pata_mpc52xx: Prepare cleanup of powerpc's asm/prom.h
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Pull block driver updates from Jens Axboe:
"Here are the driver updates queued up for 5.19. This contains:
- NVMe pull requests via Christoph:
- tighten the PCI presence check (Stefan Roese)
- fix a potential NULL pointer dereference in an error path (Kyle
Miller Smith)
- fix interpretation of the DMRSL field (Tom Yan)
- relax the data transfer alignment (Keith Busch)
- verbose error logging improvements (Max Gurtovoy, Chaitanya
Kulkarni)
- misc cleanups (Chaitanya Kulkarni, Christoph)
- set non-mdts limits in nvme_scan_work (Chaitanya Kulkarni)
- add support for TP4084 - Time-to-Ready Enhancements (Christoph)
- MD pull request via Song:
- Improve annotation in raid5 code, by Logan Gunthorpe
- Support MD_BROKEN flag in raid-1/5/10, by Mariusz Tkaczyk
- Other small fixes/cleanups
- null_blk series making the configfs side much saner (Damien)
- Various minor drbd cleanups and fixes (Haowen, Uladzislau, Jiapeng,
Arnd, Cai)
- Avoid using the system workqueue (and hence flushing it) in rnbd
(Jack)
- Avoid using the system workqueue (and hence flushing it) in aoe
(Tetsuo)
- Series fixing discard_alignment issues in drivers (Christoph)
- Small series fixing drivers poking at disk->part0 for openers
information (Christoph)
- Series fixing deadlocks in loop (Christoph, Tetsuo)
- Remove loop.h and add SPDX headers (Christoph)
- Various fixes and cleanups (Julia, Xie, Yu)"
* tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block: (72 commits)
mtip32xx: fix typo in comment
nvme: set non-mdts limits in nvme_scan_work
nvme: add support for TP4084 - Time-to-Ready Enhancements
nvme: split the enum used for various register constants
nbd: Fix hung on disconnect request if socket is closed before
nvme-fabrics: add a request timeout helper
nvme-pci: harden drive presence detect in nvme_dev_disable()
nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags
nvme: mark internal passthru request RQF_QUIET
nvme: remove unneeded include from constants file
nvme: add missing status values to verbose logging
nvme: set dma alignment to dword
nvme: fix interpretation of DMRSL
loop: remove most the top-of-file boilerplate comment from the UAPI header
loop: remove most the top-of-file boilerplate comment
loop: add a SPDX header
loop: remove loop.h
block: null_blk: Improve device creation with configfs
block: null_blk: Cleanup messages
block: null_blk: Cleanup device creation and deletion
...
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Pull block updates from Jens Axboe:
"Here are the core block changes for 5.19. This contains:
- blk-throttle accounting fix (Laibin)
- Series removing redundant assignments (Michal)
- Expose bio cache via the bio_set, so that DM can use it (Mike)
- Finish off the bio allocation interface cleanups by dealing with
the weirdest member of the family. bio_kmalloc combines a kmalloc
for the bio and bio_vecs with a hidden bio_init call and magic
cleanup semantics (Christoph)
- Clean up the block layer API so that APIs consumed by file systems
are (almost) only struct block_device based, so that file systems
don't have to poke into block layer internals like the
request_queue (Christoph)
- Clean up the blk_execute_rq* API (Christoph)
- Clean up various lose end in the blk-cgroup code to make it easier
to follow in preparation of reworking the blkcg assignment for bios
(Christoph)
- Fix use-after-free issues in BFQ when processes with merged queues
get moved to different cgroups (Jan)
- BFQ fixes (Jan)
- Various fixes and cleanups (Bart, Chengming, Fanjun, Julia, Ming,
Wolfgang, me)"
* tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block: (83 commits)
blk-mq: fix typo in comment
bfq: Remove bfq_requeue_request_body()
bfq: Remove superfluous conversion from RQ_BIC()
bfq: Allow current waker to defend against a tentative one
bfq: Relax waker detection for shared queues
blk-cgroup: delete rcu_read_lock_held() WARN_ON_ONCE()
blk-throttle: Set BIO_THROTTLED when bio has been throttled
blk-cgroup: Remove unnecessary rcu_read_lock/unlock()
blk-cgroup: always terminate io.stat lines
block, bfq: make bfq_has_work() more accurate
block, bfq: protect 'bfqd->queued' by 'bfqd->lock'
block: cleanup the VM accounting in submit_bio
block: Fix the bio.bi_opf comment
block: reorder the REQ_ flags
blk-iocost: combine local_stat and desc_stat to stat
block: improve the error message from bio_check_eod
block: allow passing a NULL bdev to bio_alloc_clone/bio_init_clone
block: remove superfluous calls to blkcg_bio_issue_init
kthread: unexport kthread_blkcg
blk-cgroup: cleanup blkcg_maybe_throttle_current
...
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Pull cdrom updates from Jens Axboe:
"Removal of unused code and documentation updates"
* tag 'for-5.19/cdrom-2022-05-22' of git://git.kernel.dk/linux-block:
cdrom: remove obsolete TODO list
block: remove last remaining traces of IDE documentation
cdrom: mark CDROMGETSPINDOWN/CDROMSETSPINDOWN obsolete
cdrom: remove the unused driver specific disc change ioctl
cdrom: make EXPORT_SYMBOL follow exported function
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Pull writeback fix from Jens Axboe:
"A single writeback fix that didn't belong in any other branch,
correcting the number of skipped pages"
* tag 'for-5.19/writeback-2022-05-22' of git://git.kernel.dk/linux-block:
fs-writeback: writeback_sb_inodes：Recalculate 'wrote' according skipped pages
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git://git.kernel.dk/linux-block
Pull io_uring NVMe command passthrough from Jens Axboe:
"On top of everything else, this adds support for passthrough for
io_uring.
The initial feature for this is NVMe passthrough support, which allows
non-filesystem based IO commands and admin commands.
To support this, io_uring grows support for SQE and CQE members that
are twice as big, allowing to pass in a full NVMe command without
having to copy data around. And to complete with more than just a
single 32-bit value as the output"
* tag 'for-5.19/io_uring-passthrough-2022-05-22' of git://git.kernel.dk/linux-block: (22 commits)
io_uring: cleanup handling of the two task_work lists
nvme: enable uring-passthrough for admin commands
nvme: helper for uring-passthrough checks
blk-mq: fix passthrough plugging
nvme: add vectored-io support for uring-cmd
nvme: wire-up uring-cmd support for io-passthru on char-device.
nvme: refactor nvme_submit_user_cmd()
block: wire-up support for passthrough plugging
fs,io_uring: add infrastructure for uring-cmd
io_uring: support CQE32 for nop operation
io_uring: enable CQE32
io_uring: support CQE32 in /proc info
io_uring: add tracing for additional CQE32 fields
io_uring: overflow processing for CQE32
io_uring: flush completions for CQE32
io_uring: modify io_get_cqe for CQE32
io_uring: add CQE32 completion processing
io_uring: add CQE32 setup processing
io_uring: change ring size calculation for CQE32
io_uring: store add. return values for CQE32
...
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Pull io_uring 'more data in socket' support from Jens Axboe:
"To be able to fully utilize the 'poll first' support in the core
io_uring branch, it's advantageous knowing if the socket was empty
after a receive. This adds support for that"
* tag 'for-5.19/io_uring-net-2022-05-22' of git://git.kernel.dk/linux-block:
io_uring: return hint on whether more data is available after receive
tcp: pass back data left in socket after receive
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git://git.kernel.dk/linux-block
Pull io_uring socket() support from Jens Axboe:
"This adds support for socket(2) for io_uring. This is handy when using
direct / registered file descriptors with io_uring.
Outside of those two patches, a small series from Dylan on top that
improves the tracing by providing a text representation of the opcode
rather than needing to decode this by reading the header file every
time.
That sits in this branch as it was the last opcode added (until it
wasn't...)"
* tag 'for-5.19/io_uring-socket-2022-05-22' of git://git.kernel.dk/linux-block:
io_uring: use the text representation of ops in trace
io_uring: rename op -> opcode
io_uring: add io_uring_get_opcode
io_uring: add type to op enum
io_uring: add socket(2) support
net: add __sys_socket_file()
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git://git.kernel.dk/linux-block
Pull io_uring xattr support from Jens Axboe:
"Support for the xattr variants"
* tag 'for-5.19/io_uring-xattr-2022-05-22' of git://git.kernel.dk/linux-block:
io_uring: cleanup error-handling around io_req_complete
io_uring: fix trace for reduced sqe padding
io_uring: add fgetxattr and getxattr support
io_uring: add fsetxattr and setxattr support
fs: split off do_getxattr from getxattr
fs: split off setxattr_copy and do_setxattr function from setxattr
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Pull io_uring updates from Jens Axboe:
"Here are the main io_uring changes for 5.19. This contains:
- Fixes for sparse type warnings (Christoph, Vasily)
- Support for multi-shot accept (Hao)
- Support for io_uring managed fixed files, rather than always
needing the applicationt o manage the indices (me)
- Fix for a spurious poll wakeup (Dylan)
- CQE overflow fixes (Dylan)
- Support more types of cancelations (me)
- Support for co-operative task_work signaling, rather than always
forcing an IPI (me)
- Support for doing poll first when appropriate, rather than always
attempting a transfer first (me)
- Provided buffer cleanups and support for mapped buffers (me)
- Improve how io_uring handles inflight SCM files (Pavel)
- Speedups for registered files (Pavel, me)
- Organize the completion data in a struct in io_kiocb rather than
keep it in separate spots (Pavel)
- task_work improvements (Pavel)
- Cleanup and optimize the submission path, in general and for
handling links (Pavel)
- Speedups for registered resource handling (Pavel)
- Support sparse buffers and file maps (Pavel, me)
- Various fixes and cleanups (Almog, Pavel, me)"
* tag 'for-5.19/io_uring-2022-05-22' of git://git.kernel.dk/linux-block: (111 commits)
io_uring: fix incorrect __kernel_rwf_t cast
io_uring: disallow mixed provided buffer group registrations
io_uring: initialize io_buffer_list head when shared ring is unregistered
io_uring: add fully sparse buffer registration
io_uring: use rcu_dereference in io_close
io_uring: consistently use the EPOLL* defines
io_uring: make apoll_events a __poll_t
io_uring: drop a spurious inline on a forward declaration
io_uring: don't use ERR_PTR for user pointers
io_uring: use a rwf_t for io_rw.flags
io_uring: add support for ring mapped supplied buffers
io_uring: add io_pin_pages() helper
io_uring: add buffer selection support to IORING_OP_NOP
io_uring: fix locking state for empty buffer group
io_uring: implement multishot mode for accept
io_uring: let fast poll support multishot
io_uring: add REQ_F_APOLL_MULTISHOT for requests
io_uring: add IORING_ACCEPT_MULTISHOT for accept
io_uring: only wake when the correct events are set
io_uring: avoid io-wq -EAGAIN looping for !IOPOLL
...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU update from Paul McKenney:
- Documentation updates
- Miscellaneous fixes
- Callback-offloading updates, mainly simplifications
- RCU-tasks updates, including some -rt fixups, handling of systems
with sparse CPU numbering, and a fix for a boot-time race-condition
failure
- Put SRCU on a memory diet in order to reduce the size of the
srcu_struct structure
- Torture-test updates fixing some bugs in tests and closing some
testing holes
- Torture-test updates for the RCU tasks flavors, most notably ensuring
that building rcutorture and friends does not change the
RCU-tasks-related Kconfig options
- Torture-test scripting updates
- Expedited grace-period updates, most notably providing
milliseconds-scale (not all that) soft real-time response from
synchronize_rcu_expedited().
This is also the first time in almost 30 years of RCU that someone
other than me has pushed for a reduction in the RCU CPU stall-warning
timeout, in this case by more than three orders of magnitude from 21
seconds to 20 milliseconds. This tighter timeout applies only to
expedited grace periods
* tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (80 commits)
rcu: Move expedited grace period (GP) work to RT kthread_worker
rcu: Introduce CONFIG_RCU_EXP_CPU_STALL_TIMEOUT
srcu: Drop needless initialization of sdp in srcu_gp_start()
srcu: Prevent expedited GPs and blocking readers from consuming CPU
srcu: Add contention check to call_srcu() srcu_data ->lock acquisition
srcu: Automatically determine size-transition strategy at boot
rcutorture: Make torture.sh allow for --kasan
rcutorture: Make torture.sh refscale and rcuscale specify Tasks Trace RCU
rcutorture: Make kvm.sh allow more memory for --kasan runs
torture: Save "make allmodconfig" .config file
scftorture: Remove extraneous "scf" from per_version_boot_params
rcutorture: Adjust scenarios' Kconfig options for CONFIG_PREEMPT_DYNAMIC
torture: Enable CSD-lock stall reports for scftorture
torture: Skip vmlinux check for kvm-again.sh runs
scftorture: Adjust for TASKS_RCU Kconfig option being selected
rcuscale: Allow rcuscale without RCU Tasks Rude/Trace
rcuscale: Allow rcuscale without RCU Tasks
refscale: Allow refscale without RCU Tasks Rude/Trace
refscale: Allow refscale without RCU Tasks
rcutorture: Allow specifying per-scenario stat_interval
...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull LKMM update from Paul McKenney:
"This updates the klitmus7 compatibility table to indicate that
herdtools7 7.56.1 or better is required for Linux kernel v5.17 or
later"
* tag 'lkmm.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
tools/memory-model/README: Update klitmus7 compat table
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc library updates from Paul McKenney:
"This adds a number of library functions and splits this library into
multiple files"
* tag 'nolibc.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (61 commits)
tools/nolibc/string: Implement `strdup()` and `strndup()`
tools/nolibc/string: Implement `strnlen()`
tools/nolibc/stdlib: Implement `malloc()`, `calloc()`, `realloc()` and `free()`
tools/nolibc/types: Implement `offsetof()` and `container_of()` macro
tools/nolibc/sys: Implement `mmap()` and `munmap()`
tools/nolibc: i386: Implement syscall with 6 arguments
tools/nolibc: Remove .global _start from the entry point code
tools/nolibc: Replace `asm` with `__asm__`
tools/nolibc: x86-64: Update System V ABI document link
tools/nolibc/stdlib: only reference the external environ when inlined
tools/nolibc/string: do not use __builtin_strlen() at -O0
tools/nolibc: add the nolibc subdir to the common Makefile
tools/nolibc: add a makefile to install headers
tools/nolibc/types: add poll() and waitpid() flag definitions
tools/nolibc/sys: add syscall definition for getppid()
tools/nolibc/string: add strcmp() and strncmp()
tools/nolibc/stdio: add support for '%p' to vfprintf()
tools/nolibc/stdlib: add a simple getenv() implementation
tools/nolibc/stdio: make printf(%s) accept NULL
tools/nolibc/stdlib: implement abort()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- Allow runtime services to be re-enabled at boot on RT kernels.
- Provide access to secrets injected into the boot image by CoCo
hypervisors (COnfidential COmputing)
- Use DXE services on x86 to make the boot image executable after
relocation, if needed.
- Prefer mirrored memory for randomized allocations.
- Only randomize the placement of the kernel image on arm64 if the
loader has not already done so.
- Add support for obtaining the boot hartid from EFI on RISC-V.
* tag 'efi-next-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
riscv/efi_stub: Add support for RISCV_EFI_BOOT_PROTOCOL
efi: stub: prefer mirrored memory for randomized allocations
efi/arm64: libstub: run image in place if randomized by the loader
efi: libstub: pass image handle to handle_kernel_image()
efi: x86: Set the NX-compatibility flag in the PE header
efi: libstub: ensure allocated memory to be executable
efi: libstub: declare DXE services table
efi: Add missing prototype for efi_capsule_setup_info
docs: security: Add secrets/coco documentation
efi: Register efi_secret platform device if EFI secret area is declared
virt: Add efi_secret module to expose confidential computing secrets
efi: Save location of EFI confidential computing area
efi: Allow to enable EFI runtime services by default on RT
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If a callback break occurs (change notification), afs_getattr() needs to
issue an FS.FetchStatus RPC operation to update the status of the file
being examined by the stat-family of system calls.
Fix afs_getattr() to do this if AFS_VNODE_CB_PROMISED has been cleared
on a vnode by a callback break. Skip this if AT_STATX_DONT_SYNC is set.
This can be tested by appending to a file on one AFS client and then
using "stat -L" to examine its length on a machine running kafs. This
can also be watched through tracing on the kafs machine. The callback
break is seen:
kworker/1:1-46 [001] ..... 978.910812: afs_cb_call: c=0000005f YFSCB.CallBack
kworker/1:1-46 [001] ...1. 978.910829: afs_cb_break: 100058:23b4c:242d2c2 b=2 s=1 break-cb
kworker/1:1-46 [001] ..... 978.911062: afs_call_done: c=0000005f ret=0 ab=0 [0000000082994ead]
And then the stat command generated no traffic if unpatched, but with
this change a call to fetch the status can be observed:
stat-4471 [000] ..... 986.744122: afs_make_fs_call: c=000000ab 100058:023b4c:242d2c2 YFS.FetchStatus
stat-4471 [000] ..... 986.745578: afs_call_done: c=000000ab ret=0 ab=0 [0000000087fc8c84]
Fixes: 08e0e7c82eea ("[AF_RXRPC]: Make the in-kernel AFS filesystem use AF_RXRPC.")
Reported-by: Markus Suvanto <markus.suvanto@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Tested-by: Markus Suvanto <markus.suvanto@gmail.com>
Tested-by: kafs-testing+fedora34_64checkkafs-build-496@auristor.com
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216010
Link: https://lore.kernel.org/r/165308359800.162686.14122417881564420962.stgit@warthog.procyon.org.uk/ # v1
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Some I2C driver bugfixes for 5.18. Nothing spectacular but worth
fixing"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
drivers: i2c: thunderx: Allow driver to work with ACPI defined TWSI controllers
i2c: ismt: Provide a DMA buffer for Interrupt Cause Logging
i2c: mt7621: fix missing clk_disable_unprepare() on error in mtk_i2c_probe()
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix and validate CPU map inputs in synthetic PERF_RECORD_STAT events
in 'perf stat'.
- Fix x86's arch__intr_reg_mask() for the hybrid platform.
- Address 'perf bench numa' compiler error on s390.
- Fix check for btf__load_from_kernel_by_id() in libbpf.
- Fix "all PMU test" 'perf test' to skip hv_24x7/hv_gpci tests on
powerpc.
- Fix session topology test to skip the test in guest environment.
- Skip BPF 'perf test' if clang is not present.
- Avoid shell test description infinite loop in 'perf test'.
- Fix Intel LBR callstack entries and nr print message.
* tag 'perf-tools-fixes-for-v5.18-2022-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf session: Fix Intel LBR callstack entries and nr print message
perf test bpf: Skip test if clang is not present
perf test session topology: Fix test to skip the test in guest environment
perf bench numa: Address compiler error on s390
perf test: Avoid shell test description infinite loop
perf regs x86: Fix arch__intr_reg_mask() for the hybrid platform
perf test: Fix "all PMU test" to skip hv_24x7/hv_gpci tests on powerpc
perf stat: Fix and validate CPU map inputs in synthetic PERF_RECORD_STAT events
perf build: Fix check for btf__load_from_kernel_by_id() in libbpf
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"A small fixup to ili210x touchscreen driver, and updated maintainer
entry for the device tree binding of Mediatek 6779 keypad:
- fix reset timing of Ilitek touchscreens
- update maintainer entry of DT binding of Mediatek 6779 keypad"
* tag 'input-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ili210x - use one common reset implementation
Input: ili210x - fix reset timing
dt-bindings: input: mediatek,mt6779-keypad: update maintainer
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two patches, both in drivers.
The iscsi one is fixing the cpumask issue you commented on and the ufs
one is a late arriving fix for conditions that can occur in Host
Performance Booster reads"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Fix referencing invalid rsp field
scsi: target: Fix incorrect use of cpumask_t
|
|
When generating callstack information from branch_stack(Intel LBR), the
actual number of callstack entry should be bigger than the number of
branch_stack, for example:
branch_stack records:
B() -> C()
A() -> B()
converted callstack records should be:
C()
B()
A()
though, the number of callstack equals
to the number of branch stack plus 1.
This patch fixes above issue in branch_stack__printf(). For example,
# echo 'scale=2000; 4*a(1)' > cmd
# perf record --call-graph lbr bc -l < cmd
Before applying this patch, `perf script -D` output:
1220022677386876 0x2a40 [0xd8]: PERF_RECORD_SAMPLE(IP, 0x4002): 17990/17990: 0x40a6d6 period: 894172 addr: 0
... LBR call chain: nr:8
..... 0: fffffffffffffe00
..... 1: 000000000040a410
..... 2: 000000000040573c
..... 3: 0000000000408650
..... 4: 00000000004022f2
..... 5: 00000000004015f5
..... 6: 00007f5ed6dcb553
..... 7: 0000000000401698
... FP chain: nr:2
..... 0: fffffffffffffe00
..... 1: 000000000040a6d8
... branch callstack: nr:6 # which is not consistent with LBR records.
..... 0: 000000000040a410
..... 1: 0000000000408650 # ditto
..... 2: 00000000004022f2
..... 3: 00000000004015f5
..... 4: 00007f5ed6dcb553
..... 5: 0000000000401698
... thread: bc:17990
...... dso: /usr/bin/bc
bc 17990 1220022.677386: 894172 cycles:
40a410 [unknown] (/usr/bin/bc)
40573c [unknown] (/usr/bin/bc)
408650 [unknown] (/usr/bin/bc)
4022f2 [unknown] (/usr/bin/bc)
4015f5 [unknown] (/usr/bin/bc)
7f5ed6dcb553 __libc_start_main+0xf3 (/usr/lib64/libc-2.17.so)
401698 [unknown] (/usr/bin/bc)
After applied:
1220022677386876 0x2a40 [0xd8]: PERF_RECORD_SAMPLE(IP, 0x4002): 17990/17990: 0x40a6d6 period: 894172 addr: 0
... LBR call chain: nr:8
..... 0: fffffffffffffe00
..... 1: 000000000040a410
..... 2: 000000000040573c
..... 3: 0000000000408650
..... 4: 00000000004022f2
..... 5: 00000000004015f5
..... 6: 00007f5ed6dcb553
..... 7: 0000000000401698
... FP chain: nr:2
..... 0: fffffffffffffe00
..... 1: 000000000040a6d8
... branch callstack: nr:7
..... 0: 000000000040a410
..... 1: 000000000040573c
..... 2: 0000000000408650
..... 3: 00000000004022f2
..... 4: 00000000004015f5
..... 5: 00007f5ed6dcb553
..... 6: 0000000000401698
... thread: bc:17990
...... dso: /usr/bin/bc
bc 17990 1220022.677386: 894172 cycles:
40a410 [unknown] (/usr/bin/bc)
40573c [unknown] (/usr/bin/bc)
408650 [unknown] (/usr/bin/bc)
4022f2 [unknown] (/usr/bin/bc)
4015f5 [unknown] (/usr/bin/bc)
7f5ed6dcb553 __libc_start_main+0xf3 (/usr/lib64/libc-2.17.so)
401698 [unknown] (/usr/bin/bc)
Change from v1:
- refined code style according to Jiri's review comments.
Signed-off-by: Chengdong Li <chengdongli@tencent.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: likexu@tencent.com
Link: https://lore.kernel.org/r/20220517015726.96131-1-chengdongli@tencent.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Perf BPF filter test fails in environment where "clang" is not
installed.
Test failure logs:
<<>>
42: BPF filter :
42.1: Basic BPF filtering : Skip
42.2: BPF pinning : FAILED!
42.3: BPF prologue generation : FAILED!
<<>>
Enabling verbose option provided debug logs which says clang/llvm needs
to be installed. Snippet of verbose logs:
<<>>
42.2: BPF pinning :
--- start ---
test child forked, pid 61423
ERROR: unable to find clang.
Hint: Try to install latest clang/llvm to support BPF.
Check your $PATH
<<logs_here>>
Failed to compile test case: 'Basic BPF llvm compile'
Unable to get BPF object, fix kbuild first
test child finished with -1
---- end ----
BPF filter subtest 2: FAILED!
<<>>
Here subtests, "BPF pinning" and "BPF prologue generation" failed and
logs shows clang/llvm is needed. After installing clang, testcase
passes.
Reason on why subtest failure happens though logs has proper debug
information:
Main function __test__bpf calls test_llvm__fetch_bpf_obj by
passing 4th argument as true ( 4th arguments maps to parameter
"force" in test_llvm__fetch_bpf_obj ). But this will cause
test_llvm__fetch_bpf_obj to skip the check for clang/llvm.
Snippet of code part which checks for clang based on
parameter "force" in test_llvm__fetch_bpf_obj:
<<>>
if (!force && (!llvm_param.user_set_param &&
<<>>
Since force is set to "false", test won't get skipped and fails to
compile test case. The BPF code compilation needs clang, So pass the
fourth argument as "false" and also skip the test if reason for return
is "TEST_SKIP"
After the patch:
<<>>
42: BPF filter :
42.1: Basic BPF filtering : Skip
42.2: BPF pinning : Skip
42.3: BPF prologue generation : Skip
<<>>
Fixes: ba1fae431e74bb42 ("perf test: Add 'perf test BPF'")
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lore.kernel.org/r/20220511115438.84032-1-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
The session topology test fails in powerpc pSeries platform.
Test logs:
<<>>
Session topology : FAILED!
<<>>
This testcases tests cpu topology by checking the core_id and socket_id
stored in perf_env from perf session. The data from perf session is
compared with the cpu topology information from
"/sys/devices/system/cpu/cpuX/topology" like core_id,
physical_package_id.
In case of virtual environment, detail like physical_package_id is
restricted to be exposed. Hence physical_package_id is set to -1. The
testcase fails on such platforms since socket_id can't be fetched from
topology info.
Skip the testcase in powerpc if physical_package_id returns -1.
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>---
Tested-by: Disha Goel <disgoel@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220511114959.84002-1-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
The compilation on s390 results in this error:
# make DEBUG=y bench/numa.o
...
bench/numa.c: In function ‘__bench_numa’:
bench/numa.c:1749:81: error: ‘%d’ directive output may be truncated
writing between 1 and 11 bytes into a region of size between
10 and 20 [-Werror=format-truncation=]
1749 | snprintf(tname, sizeof(tname), "process%d:thread%d", p, t);
^~
...
bench/numa.c:1749:64: note: directive argument in the range
[-2147483647, 2147483646]
...
#
The maximum length of the %d replacement is 11 characters because of the
negative sign. Therefore extend the array by two more characters.
Output after:
# make DEBUG=y bench/numa.o > /dev/null 2>&1; ll bench/numa.o
-rw-r--r-- 1 root root 418320 May 19 09:11 bench/numa.o
#
Fixes: 3aff8ba0a4c9c919 ("perf bench numa: Avoid possible truncation when using snprintf()")
Suggested-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20220520081158.2990006-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
for_each_shell_test() is already strict in expecting tests to be files
and executable. It is sometimes possible when it iterates over all files
that it finds one that is executable and lacks a newline character. When
this happens the loop never terminates as it doesn't check for EOF.
Add the EOF check to make this loop at least bounded by the file size.
If the description is returned as NULL then also skip the test.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Sohaib Mohamed <sohaib.amhmd@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220517204144.645913-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
The X86 specific arch__intr_reg_mask() is to check whether the kernel
and hardware can collect XMM registers. But it doesn't work on some
hybrid platform.
Without the patch on ADL-N:
$ perf record -I?
available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10
R11 R12 R13 R14 R15
The config of the test event doesn't contain the PMU information. The
kernel may fail to initialize it on the correct hybrid PMU and return
the wrong non-supported information.
Add the PMU information into the config for the hybrid platform. The
same register set is supported among different hybrid PMUs. Checking
the first available one is good enough.
With the patch on ADL-N:
$ perf record -I?
available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10
R11 R12 R13 R14 R15 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 XMM9
XMM10 XMM11 XMM12 XMM13 XMM14 XMM15
Fixes: 6466ec14aaf44ff1 ("perf regs x86: Add X86 specific arch__intr_reg_mask()")
Reported-by: Ammy Yi <ammy.yi@intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220518145125.1494156-1-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
"perf all PMU test" picks the input events from "perf list --raw-dump
pmu" list and runs "perf stat -e" for each of the event in the list. In
case of powerpc, the PowerVM environment supports events from hv_24x7
and hv_gpci PMU which is of example format like below:
- hv_24x7/CPM_ADJUNCT_INST,domain=?,core=?/
- hv_gpci/event,partition_id=?/
The value for "?" needs to be filled in depending on system and
respective event. CPM_ADJUNCT_INST needs have core value and domain
value. hv_gpci event needs partition_id. Similarly, there are other
events for hv_24x7 and hv_gpci having "?" in event format. Hence skip
these events on powerpc platform since values like partition_id, domain
is specific to system and event.
Fixes: 3d5ac9effcc640d5 ("perf test: Workload test of all PMUs")
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20220520101236.17249-1-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Rather than pass in a bool for whether or not this work item needs to go
into the priority list or not, provide separate helpers for it. For most
use cases, this also then gets rid of the branch for non-priority task
work.
While at it, rename the prior_task_list to prio_task_list. Prior is
a confusing name for it, as it would seem to indicate that this is the
previous task_work list. prio makes it clear that this is a priority
task_work list.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20220521111145.81697-28-Julia.Lawall@inria.fr
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20220521111145.81697-29-Julia.Lawall@inria.fr
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Due to i2c->adap.dev.fwnode not being set, ACPI_COMPANION() wasn't properly
found for TWSI controllers.
Signed-off-by: Szymon Balcerak <sbalcerak@marvell.com>
Signed-off-by: Piyush Malgujar <pmalgujar@marvell.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
|
|
Before sending a MSI the hardware writes information pertinent to the
interrupt cause to a memory location pointed by SMTICL register. This
memory holds three double words where the least significant bit tells
whether the interrupt cause of master/target/error is valid. The driver
does not use this but we need to set it up because otherwise it will
perform DMA write to the default address (0) and this will cause an
IOMMU fault such as below:
DMAR: DRHD: handling fault status reg 2
DMAR: [DMA Write] Request device [00:12.0] PASID ffffffff fault addr 0
[fault reason 05] PTE Write access is not set
To prevent this from happening, provide a proper DMA buffer for this
that then gets mapped by the IOMMU accordingly.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
|
|
Fix the missing clk_disable_unprepare() before return
from mtk_i2c_probe() in the error handling case.
Fixes: d04913ec5f89 ("i2c: mt7621: Add MediaTek MT7621/7628/7688 I2C driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
|
|
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly expose GICv3 support even if no irqchip is created so
that userspace doesn't observe it changing pointlessly (fixing a
regression with QEMU)
- Don't issue a hypercall to set the id-mapped vectors when protected
mode is enabled (fix for pKVM in combination with CPUs affected by
Spectre-v3a)
x86 (five oneliners, of which the most interesting two are):
- a NULL pointer dereference on INVPCID executed with paging
disabled, but only if KVM is using shadow paging
- an incorrect bsearch comparison function which could truncate the
result and apply PMU event filtering incorrectly. This one comes
with a selftests update too"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID
KVM: x86: hyper-v: fix type of valid_bank_mask
KVM: Free new dirty bitmap if creating a new memslot fails
KVM: eventfd: Fix false positive RCU usage warning
selftests: kvm/x86: Verify the pmu event filter matches the correct event
selftests: kvm/x86: Add the helper function create_pmu_event_filter
kvm: x86/pmu: Fix the compare function used by the pmu event filter
KVM: arm64: Don't hypercall before EL2 init
KVM: arm64: vgic-v3: Consistently populate ID_AA64PFR0_EL1.GIC
KVM: x86/mmu: Update number of zapped pages even if page list is stable
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Three clk driver fixes to close out the release
- Fix a divider calculation breaking boot on Broadcom bcm2835
- Fix HDMI output on Tanix TX6 mini board by reverting a patch
- Fix clk_set_rate_range() calls on at91 by considering the range
while calculating the divisor"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: at91: generated: consider range when calculating best rate
Revert "clk: sunxi-ng: sun6i-rtc: Add support for H6"
clk: bcm2835: fix bcm2835_clock_choose_div
|
|
Pull drm fixes from Dave Airlie:
"Few final fixes for 5.18, one amdgpu, core dp mst leak fix, dma-buf
two fixes, and i915 has a few fixes, one for a regression on older
GM45 chipsets,
dma-buf:
- ioctl userspace use fix
- fix dma-buf sysfs name generation
core:
- dp/mst leak fix
amdgpu:
- suspend/resume regression fix
i915:
- fix for #5806: GPU hangs and display artifacts on Intel GM45
- reject DMC with out-of-spec MMIO
- correctly mark guilty contexts on GuC reset"
* tag 'drm-fixes-2022-05-21' of git://anongit.freedesktop.org/drm/drm:
drm/i915: Use i915_gem_object_ggtt_pin_ww for reloc_iomap
drm/amd: Don't reset dGPUs if the system is going to s2idle
drm/dp/mst: fix a possible memory leak in fetch_monitor_name()
dma-buf: fix use of DMA_BUF_SET_NAME_{A,B} in userspace
i915/guc/reset: Make __guc_reset_context aware of guilty engines
drm/i915/dmc: Add MMIO range restrictions
dma-buf: ensure unique directory name for dmabuf stats
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- fix for #5806: GPU hangs and display artifacts on 5.18-rc3 on Intel GM45
- reject DMC with out-of-spec MMIO (Cc: stable)
- correctly mark guilty contexts on GuC reset.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YocqqvG6PbYx3QgJ@jlahtine-mobl.ger.corp.intel.com
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